Search Results for author: Ryo Tamura

Found 6 papers, 3 papers with code

Black-box optimization for integer-variable problems using Ising machines and factorization machines

no code implementations1 Sep 2022 Yuya Seki, Ryo Tamura, Shu Tanaka

Ising machines are useful for binary optimization problems because variables can be represented by a single binary variable of Ising machines.

Hyperparameter Optimization

Continuous black-box optimization with quantum annealing and random subspace coding

no code implementations30 Apr 2021 Syun Izawa, Koki Kitai, Shu Tanaka, Ryo Tamura, Koji Tsuda

As QA specializes in optimization of binary problems, a continuous vector has to be encoded to binary, and the solution of QA has to be translated back.

Bayesian Optimization

Efficient Construction Method for Phase Diagrams Using Uncertainty Sampling

1 code implementation6 Dec 2018 Kei Terayama, Ryo Tamura, Yoshitaro Nose, Hidenori Hiramatsu, Hideo Hosono, Yasushi Okuno, Koji Tsuda

Furthermore, we show that using the US approach, undetected new phase can be rapidly found, and smaller number of initial sampling points are sufficient.

Materials Science Computational Physics

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